38 static inline void ehci_qtd_init(struct ehci_hcd *ehci, struct ehci_qtd *qtd,  in ehci_qtd_init()  argument
44 	qtd->hw_next = EHCI_LIST_END(ehci);  in ehci_qtd_init()
45 	qtd->hw_alt_next = EHCI_LIST_END(ehci);  in ehci_qtd_init()
49 static struct ehci_qtd *ehci_qtd_alloc (struct ehci_hcd *ehci, gfp_t flags)  in ehci_qtd_alloc()  argument
54 	qtd = dma_pool_alloc (ehci->qtd_pool, flags, &dma);  in ehci_qtd_alloc()
56 		ehci_qtd_init(ehci, qtd, dma);  in ehci_qtd_alloc()
61 static inline void ehci_qtd_free (struct ehci_hcd *ehci, struct ehci_qtd *qtd)  in ehci_qtd_free()  argument
63 	dma_pool_free (ehci->qtd_pool, qtd, qtd->qtd_dma);  in ehci_qtd_free()
69 	struct ehci_hcd *ehci = qh->ehci;  in qh_destroy()  local
73 		ehci_dbg (ehci, "unused qh not empty!\n");  in qh_destroy()
77 		ehci_qtd_free (ehci, qh->dummy);  in qh_destroy()
78 	dma_pool_free (ehci->qh_pool, qh, qh->qh_dma);  in qh_destroy()
81 static struct ehci_qh *ehci_qh_alloc (struct ehci_hcd *ehci, gfp_t flags)  in ehci_qh_alloc()  argument
87 		dma_pool_alloc (ehci->qh_pool, flags, &dma);  in ehci_qh_alloc()
93 	qh->ehci = ehci;  in ehci_qh_alloc()
99 	qh->dummy = ehci_qtd_alloc (ehci, flags);  in ehci_qh_alloc()
101 		ehci_dbg (ehci, "no dummy td\n");  in ehci_qh_alloc()
102 		dma_pool_free (ehci->qh_pool, qh, qh->qh_dma);  in ehci_qh_alloc()
129 static void ehci_mem_cleanup (struct ehci_hcd *ehci)  in ehci_mem_cleanup()  argument
131 	free_cached_itd_list(ehci);  in ehci_mem_cleanup()
132 	if (ehci->async)  in ehci_mem_cleanup()
133 		qh_put (ehci->async);  in ehci_mem_cleanup()
134 	ehci->async = NULL;  in ehci_mem_cleanup()
137 	if (ehci->qtd_pool)  in ehci_mem_cleanup()
138 		dma_pool_destroy (ehci->qtd_pool);  in ehci_mem_cleanup()
139 	ehci->qtd_pool = NULL;  in ehci_mem_cleanup()
141 	if (ehci->qh_pool) {  in ehci_mem_cleanup()
142 		dma_pool_destroy (ehci->qh_pool);  in ehci_mem_cleanup()
143 		ehci->qh_pool = NULL;  in ehci_mem_cleanup()
146 	if (ehci->itd_pool)  in ehci_mem_cleanup()
147 		dma_pool_destroy (ehci->itd_pool);  in ehci_mem_cleanup()
148 	ehci->itd_pool = NULL;  in ehci_mem_cleanup()
150 	if (ehci->sitd_pool)  in ehci_mem_cleanup()
151 		dma_pool_destroy (ehci->sitd_pool);  in ehci_mem_cleanup()
152 	ehci->sitd_pool = NULL;  in ehci_mem_cleanup()
154 	if (ehci->periodic)  in ehci_mem_cleanup()
155 		dma_free_coherent (ehci_to_hcd(ehci)->self.controller,  in ehci_mem_cleanup()
156 			ehci->periodic_size * sizeof (u32),  in ehci_mem_cleanup()
157 			ehci->periodic, ehci->periodic_dma);  in ehci_mem_cleanup()
158 	ehci->periodic = NULL;  in ehci_mem_cleanup()
161 	kfree(ehci->pshadow);  in ehci_mem_cleanup()
162 	ehci->pshadow = NULL;  in ehci_mem_cleanup()
166 static int ehci_mem_init (struct ehci_hcd *ehci, gfp_t flags)  in ehci_mem_init()  argument
171 	ehci->qtd_pool = dma_pool_create ("ehci_qtd",  in ehci_mem_init()
172 			ehci_to_hcd(ehci)->self.controller,  in ehci_mem_init()
176 	if (!ehci->qtd_pool) {  in ehci_mem_init()
181 	ehci->qh_pool = dma_pool_create ("ehci_qh",  in ehci_mem_init()
182 			ehci_to_hcd(ehci)->self.controller,  in ehci_mem_init()
186 	if (!ehci->qh_pool) {  in ehci_mem_init()
189 	ehci->async = ehci_qh_alloc (ehci, flags);  in ehci_mem_init()
190 	if (!ehci->async) {  in ehci_mem_init()
195 	ehci->itd_pool = dma_pool_create ("ehci_itd",  in ehci_mem_init()
196 			ehci_to_hcd(ehci)->self.controller,  in ehci_mem_init()
200 	if (!ehci->itd_pool) {  in ehci_mem_init()
205 	ehci->sitd_pool = dma_pool_create ("ehci_sitd",  in ehci_mem_init()
206 			ehci_to_hcd(ehci)->self.controller,  in ehci_mem_init()
210 	if (!ehci->sitd_pool) {  in ehci_mem_init()
215 	ehci->periodic = (__le32 *)  in ehci_mem_init()
216 		dma_alloc_coherent (ehci_to_hcd(ehci)->self.controller,  in ehci_mem_init()
217 			ehci->periodic_size * sizeof(__le32),  in ehci_mem_init()
218 			&ehci->periodic_dma, 0);  in ehci_mem_init()
219 	if (ehci->periodic == NULL) {  in ehci_mem_init()
222 	for (i = 0; i < ehci->periodic_size; i++)  in ehci_mem_init()
223 		ehci->periodic [i] = EHCI_LIST_END(ehci);  in ehci_mem_init()
226 	ehci->pshadow = kcalloc(ehci->periodic_size, sizeof(void *), flags);  in ehci_mem_init()
227 	if (ehci->pshadow != NULL)  in ehci_mem_init()
231 	ehci_dbg (ehci, "couldn't init memory\n");  in ehci_mem_init()
232 	ehci_mem_cleanup (ehci);  in ehci_mem_init()